Question

a bus moving with a speed of 42km/h . on applying brakes it stopped in 5 secs calculate acceleration​

Answer 1

HELLO FRIEND ★ ★

HERE IS YOUR ANSWER

Intial velocity (u) =42km/hr =105/18m/s

Final velocity (v) =0(zero)

Time =5 sec.

To find a (acceleration)

V=u +at

0 = 105/18 + a x 5

0 x 18 = 105 + 5a

105 /5 = a

a = 21m/s^2 ans, ★

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